Inflator pump with planetary gear set

Abstract

The utility model discloses an inflator pump with a planetary gear set, which comprises a double-shaft motor, the top edge of the double-shaft motor is fixedly provided with a fixing seat, the fixing seat is of an annular structure, the top of the fixing seat is provided with the planetary gear set, the input end of the planetary gear set is in transmission connection with a top output shaft of the double-shaft motor, and the output end of the planetary gear set is in transmission connection with the output shaft of the double-shaft motor. A mounting frame is fixedly arranged on the planetary gear set, an eccentric wheel is arranged on the mounting frame, the eccentric wheel is in transmission connection with the output end of the planetary gear set, and a traction shaft rod is arranged on the edge of the eccentric wheel. Power of the double-shaft motor is stably transmitted to the eccentric wheel, the piston rod and the piston head are driven to do linear reciprocating motion through rotation of the eccentric wheel, inflation is achieved, operation and use of the inflation pump are more stable, the service life is guaranteed, meshing of the planetary gear set is located on the inner side, and low noise can be guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of air pumps, and in particular relates to an air pump with a planetary gear set. Background Art

[0002] The air pump, also known as an air pump, is a common air pump that is driven by a motor. Now, the more common method is to drive the gear assembly through a motor to drive the piston assembly to move back and forth to achieve the effect of inflation; this gear assembly generally includes a driving gear and a driven gear plate, and the driving gear and the driven gear plate are engaged by external teeth or internal teeth to achieve power transmission, so that the external gear plate drives the piston rod to make linear reciprocating motion. This structural design in which a single driving gear drives the driven gear plate to rotate has poor transmission stability after long-term use, affecting the service life, and the noise is relatively large under working conditions.

[0003] Therefore, the utility model designs an air pump with a planetary gear set. Utility Model Content

[0004] The purpose of the utility model is to provide an air pump with a planetary gear set to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air pump with a planetary gear set, comprising a dual-axis motor, a fixed seat is fixedly installed on the top edge of the dual-axis motor, the fixed seat is an annular structure, and a planetary gear set is arranged on the top of the fixed seat, the input end of the planetary gear set is connected to the top output shaft of the dual-axis motor by transmission, a mounting frame is fixedly arranged on the planetary gear set, an eccentric wheel is arranged on the mounting frame, the eccentric wheel is connected to the output end of the planetary gear set by transmission, and a traction shaft is arranged on the edge of the eccentric wheel Rod, one end of the mounting frame extends to the piston cylinder, one end of the piston cylinder is fixedly provided with an air outlet shell, and the air outlet shell and the piston cylinder are connected with each other, the air outlet shell is provided with mutually connected air outlet ports, and the air outlet ports are connected with an air outlet pipe, a piston head is movably provided inside the piston cylinder, a piston rod is fixedly provided on one side of the piston head, the other end of the piston rod extends to the outside of the piston cylinder, and the other end of the piston rod is sleeved on the traction shaft, a protective shell is provided on the outside of the eccentric wheel, and the protective shell is fixedly connected to the mounting frame by screws.

[0006] Preferably, the bottom output shaft of the dual-axis motor is equipped with fan blades, and the fan blades are screwed and connected to the bottom output shaft of the dual-axis motor via threads.

[0007] Preferably, the planetary gear set includes an annular internal gear, an upper rotating shaft, a planetary gear seat, planetary gears, a center gear and a bearing, the annular internal gear is fixedly mounted on the top of the fixing seat by bolts, the center gear is located at the inner center position of the annular internal gear, and a plurality of planetary gears are provided, and a plurality of planetary gears are equiangularly distributed circumferentially between the center gear and the annular internal gear, and each planetary gear is simultaneously meshed with the annular internal gear and the center gear, and a plurality of the planetary gears are rotatably mounted on the bottom of the planetary gear seat, the top output shaft of the dual-axis motor passes through the fixing seat and is fixedly connected to the center gear, the upper rotating shaft is fixedly mounted on the top of the planetary gear seat, the bearing is embedded and mounted on the bottom of the mounting frame, and the bearing is aligned with the upper rotating shaft, the top end of the upper rotating shaft passes through the bearing and extends to the top outside of the mounting frame, and the top end of the upper rotating shaft is fixedly connected to the eccentric wheel, and the mounting frame is fixedly connected to the annular internal gear by screws.

[0008] Preferably, the piston cylinder and the mounting frame are an integrally formed one-piece structure, and the inner diameter of the piston cylinder matches the outer diameter of the piston head.

[0009] Preferably, a circular hole is provided on the piston head, and the through hole at the connection point between the gas outlet shell and the piston cylinder is aligned with the circular hole.

[0010] Preferably, the piston head and the piston rod are an integrated structure, and an air charging seat is further provided at the end of the air outlet pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: an air pump with a planetary gear set is designed in the utility model, and the power of the dual-axis motor is stably transmitted to the eccentric wheel through the planetary gear set. The rotation of the eccentric wheel drives the piston rod and the piston head to reciprocate linearly to achieve inflation, making the operation of the air pump more stable and ensuring its service life. The meshing of the planetary gear set is located on the inside, which can ensure lower noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional schematic diagram of the utility model.

[0013] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0014] Figure 3 It is a schematic diagram of the partial explosion structure of the utility model.

[0015] Figure 4 It is a cross-sectional structural schematic diagram of the piston rod of the utility model in a separated state.

[0016] 1. Double-axis motor; 2. Fixed seat; 3. Ring inner gear; 4. Mounting frame; 5. Protective shell; 6. Piston cylinder; 7. Exhaust shell; 8. Exhaust port; 9. Exhaust pipe; 10. Fan blades; 11. Eccentric wheel; 12. Traction shaft; 13. Piston rod; 14. Piston head; 15. Bearing; 16. Upper rotating shaft; 17. Planetary gear seat; 18. Planetary gear; 19. Center gear. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4The utility model provides a technical solution: an air pump with a planetary gear set, comprising a dual-axis motor 1, a fixed seat 2 is fixedly installed on the top edge of the dual-axis motor 1, the fixed seat 2 is an annular structure, and a planetary gear set is arranged on the top of the fixed seat 2, the input end of the planetary gear set is transmission-connected with the top output shaft of the dual-axis motor 1, a mounting frame 4 is fixedly arranged on the planetary gear set, an eccentric wheel 11 is arranged on the mounting frame 4, the eccentric wheel 11 is transmission-connected with the output end of the planetary gear set, a traction shaft 12 is arranged on the edge of the eccentric wheel 11, one end of the mounting frame 4 extends to the piston cylinder 6, an air outlet shell 7 is fixedly arranged on one end of the piston cylinder 6, and the air outlet shell 7 is communicated with the piston cylinder 6, and the air outlet shell 7 is provided with mutually communicated air outlets The air outlet 8 is connected to the air outlet 8, and the air outlet 8 is connected to the air outlet pipe 9. The piston head 14 is movably arranged inside the piston cylinder 6, and a piston rod 13 is fixedly arranged on one side of the piston head 14. The other end of the piston rod 13 extends to the outside of the piston cylinder 6, and the other end of the piston rod 13 is sleeved on the traction shaft 12. A protective shell 5 is arranged on the outside of the eccentric wheel 11, and the protective shell 5 is fixedly connected to the mounting frame 4 by screws; the power of the dual-axis motor 1 is stably transmitted to the eccentric wheel 11 through the planetary gear set, and the piston rod 13 and the piston head 14 are driven to reciprocate linearly through the rotation of the eccentric wheel 11 to achieve inflation, so that the operation and use of the inflation pump is more stable, and the service life is guaranteed. The meshing of the planetary gear set is located on the inside, which can ensure lower noise. In this embodiment, preferably, the bottom output shaft of the dual-axis motor 1 is equipped with a fan blade 10. In order to play a role in heat dissipation, the fan blade 10 is connected to the bottom output shaft of the dual-axis motor 1 by threaded engagement, in order to facilitate flexible disassembly and assembly.In this embodiment, preferably, the planetary gear set includes an annular internal gear 3, an upper rotating shaft 16, a planetary gear seat 17, planetary gears 18, a central gear 19 and a bearing 15. The annular internal gear 3 is fixedly mounted on the top of the fixing seat 2 by bolts, and the central gear 19 is located at the inner center of the annular internal gear 3. A plurality of planetary gears 18 are provided, and the plurality of planetary gears 18 are equiangularly distributed circumferentially between the central gear 19 and the annular internal gear 3, and each planetary gear 18 is simultaneously meshed with the annular internal gear 3 and the central gear 19. A plurality of planetary gears 18 are rotatably mounted on the bottom of the planetary gear seat 17. In order to facilitate the installation of the planetary gears 18, the top output shaft of the dual-axis motor 1 passes through the fixing seat 2 and is fixedly connected to the central gear 19, so as to realize The dual-axis motor 1 drives the central gear 19 to rotate, and then drives multiple planetary gears 18 to rotate in the annular inner gear 3 while also revolving, thereby driving the planetary gear seat 17 to rotate, and the upper rotating shaft 16 is fixedly installed on the top of the planetary gear seat 17, and the bearing 15 is embedded and installed at the bottom of the mounting frame 4, and the bearing 15 is aligned with the upper rotating shaft 16, and the top of the upper rotating shaft 16 passes through the bearing 15 and extends to the top outside of the mounting frame 4, and the top of the upper rotating shaft 16 is fixedly connected to the eccentric wheel 11, and the eccentric wheel 11 is driven to rotate by the upper rotating shaft 16, thereby driving the piston rod 13 and the piston head 14 to make linear reciprocating motion, and realizing continuous inflation; the mounting frame 4 is fixedly connected to the annular inner gear 3 by screws; in order to ensure that the mounting frame 4 is installed stably.

[0019] In this embodiment, preferably, the piston cylinder 6 and the mounting frame 4 are an integrally formed one-piece structure, and the inner diameter of the piston cylinder 6 matches the outer diameter of the piston head 14. In order to ensure the stability of gas pushing, in this embodiment, preferably, a round hole is provided on the piston head 14, and the through hole at the connection between the gas outlet shell 7 and the piston cylinder 6 is aligned with the round hole. The piston head 14 and the piston rod 13 are an integral structure, and an inflation seat is also provided at the end of the gas outlet pipe 9 for convenient inflation.

[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air pump with a planetary gear set, comprising a dual-shaft motor (1), characterized in that: A fixing seat (2) is fixedly mounted on the top edge of the dual-axis motor (1), the fixing seat (2) is an annular structure, and a planetary gear set is arranged on the top of the fixing seat (2), the input end of the planetary gear set is drivingly connected to the top output shaft of the dual-axis motor (1), a mounting frame (4) is fixedly mounted on the planetary gear set, an eccentric wheel (11) is arranged on the mounting frame (4), the eccentric wheel (11) is drivingly connected to the output end of the planetary gear set, a traction shaft (12) is arranged on the edge of the eccentric wheel (11), one end of the mounting frame (4) extends to the piston cylinder (6), and one end of the piston cylinder (6) is fixedly mounted with An air outlet shell (7) is provided, and the air outlet shell (7) and the piston cylinder (6) are interconnected. The air outlet shell (7) is provided with an air outlet port (8) which is interconnected. The air outlet port (8) is connected with an air outlet pipe (9). A piston head (14) is movably provided inside the piston cylinder (6). A piston rod (13) is fixedly provided on one side of the piston head (14). The other end of the piston rod (13) extends to the outside of the piston cylinder (6). The other end of the piston rod (13) is sleeved on the traction shaft (12). A protective shell (5) is provided on the outside of the eccentric wheel (11). The protective shell (5) is fixedly connected to the mounting frame (4) by screws.

2. The air pump with a planetary gear set according to claim 1, characterized in that: The bottom output shaft of the dual-axis motor (1) is equipped with a fan blade (10), and the fan blade (10) is screwed and connected to the bottom output shaft of the dual-axis motor (1) via a thread.

3. The air pump with a planetary gear set according to claim 1, characterized in that: The planetary gear set comprises an annular internal gear (3), an upper rotating shaft (16), a planetary gear seat (17), a planetary gear (18), a central gear (19) and a bearing (15); the annular internal gear (3) is fixedly mounted on the top of a fixing seat (2) by means of bolts; the central gear (19) is located at the inner center of the annular internal gear (3); a plurality of planetary gears (18) are provided, and the plurality of planetary gears (18) are equiangularly distributed between the central gear (19) and the annular internal gear (3); each planetary gear (18) is meshed with the annular internal gear (3) and the central gear (19) at the same time; the plurality of planetary gears (18) are arranged in a plurality of ways; 18) is rotatably mounted at the bottom of the planetary gear seat (17), the top output shaft of the dual-axis motor (1) passes through the fixed seat (2) and is fixedly connected to the central gear (19), the upper rotating shaft (16) is fixedly mounted on the top of the planetary gear seat (17), the bearing (15) is embedded and mounted at the bottom of the mounting frame (4), and the bearing (15) is aligned with the upper rotating shaft (16), the top end of the upper rotating shaft (16) passes through the bearing (15) and extends to the top outer side of the mounting frame (4), and the top end of the upper rotating shaft (16) is fixedly connected to the eccentric wheel (11), and the mounting frame (4) is fixedly connected to the annular internal gear (3) by screws.

4. The air pump with a planetary gear set according to claim 1, characterized in that: The piston cylinder (6) and the mounting frame (4) are an integrally formed one-piece structure, and the inner diameter of the piston cylinder (6) matches the outer diameter of the piston head (14).

5. The air pump with a planetary gear set according to claim 4, characterized in that: The piston head (14) is provided with a circular hole, and the through hole at the connection point between the gas outlet shell (7) and the piston cylinder (6) is aligned with the circular hole.

6. The air pump with a planetary gear set according to claim 1, characterized in that: The piston head (14) and the piston rod (13) are an integrated structure, and an air charging seat is also provided at the end of the air outlet pipe (9).

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